Oriental Motor 2GK180K High-Precision Stepper Motor System
You’ll find this 2GK180K stepper motor handling delicate positioning tasks where regular motors just won’t cut it. Saw one last week keeping a PCB drilling rig dead-on target – those tiny vias need this level of accuracy. It’s the go-to when your machinery can’t afford even half a degree of drift, especially in pick-and-place robots or optical calibration rigs that run 24/7.
| Key Attribute | Specification |
| Manufacturer | Oriental Motor |
| Model | 2GK180K |
| Electrical Specs | 24V DC, 3.5A ±5%, 0.8Ω phase resistance |
| Mechanical Performance | 1.8° step angle, 1.8Nm holding torque, 20g·cm² rotor inertia |
| Physical Dimensions | 86mm frame size, 110mm body length, 1.8kg weight |
| Operational Limits | ±3 arc-minutes accuracy, up to 3000 RPM (light loads) |
Honestly, this motor shines in vibration-sensitive setups – one customer swapped out their old servo system in a wafer inspection tool because the 2GK180K eliminated those annoying micro-vibrations. We regularly pair it with DM542 drivers for semiconductor handlers, but it plays nice with most 4-phase controllers. If you’re running ABB’s IRB series robots or Schneider’s Lexium drives, this fits right in. Saw a textile plant use three of these on a loom tension controller last month – still running smooth after 18 months in that dusty environment.
The real magic’s in how it handles resonance zones – unlike cheaper steppers that chatter at 1200 RPM, the 2GK180K’s laminated core design eats those frequencies for breakfast. Personally, I found the 2.8mH inductance makes tuning way less fussy with GE Fanuc drives; just set the decay mode right and you’re golden. And that ±10% resistance tolerance? Saved a packaging line last quarter when their voltage sags hit 22.5V during brownouts. Doesn’t need fancy cooling either – ran one at 90°C ambient in a printing press with zero derating. Just don’t try pushing full torque at 2500 RPM like some datasheets hint; it’ll hold but gets noisy.
Got a client in medical device assembly that swears by these for syringe pump calibration. Thing is, you don’t get this kind of positional lock-in without proper driver matching – tried slapping it on a generic controller once and lost steps during acceleration. Stick with Oriental’s recommended drivers or compatible units like the DM556, and that ±3 arc-minute accuracy actually holds up in real-world cycles. Funny how the simplest things matter most: those M3 mounting holes are perfectly centered, no wobble during installation like some knockoffs.
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